Home / 83,577.76-115,337.30-45,851.20

Finding the Fourth Proportional to 83,577.76, 115,337.30 and 45,851.20

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Solution

The fourth proportional to 83,577.76, 115,337.30 and 45,851.20 is: 63,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,577.76 : 115,337.30 = 45,851.20 : x
  2. Step 2: Convert to fraction form
    83,577.76/115,337.30 = 45,851.20/x
  3. Step 3: Cross multiply
    83,577.76x = 115,337.30 × 45,851.20
  4. Step 4: Simplify right side
    83,577.76x = 5,288,353,609.76
  5. Step 5: Solve for x
    x = 5,288,353,609.76/83,577.76
  6. Step 6: Final answer
    x = 63,274.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.